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r <br /> Interim Groundwater Treatment System <br /> Operation,,Maintenance, and Monitoring Manual <br /> 4.0 SAFETY NOTES <br /> The site operator will be trained to perform daily inspections of the system for evidence <br /> of leakage or an accidental release from the system. Minor leakage will immediately be <br /> reported to Ground Zero. An accidental release from the system will result in emergency <br /> shut-down of the system by the operator and notification to Ground Zero. <br /> It is unlikely that a worker will be able to physically enter a carbon vessel. However, <br /> certain precautions apply to a partially closed carbon vessels or situations where carbon is <br /> to be removed from the vessel and stored elsewhere. Wet or dry activated carbon <br /> preferentially removes oxygen from air. In closed or partially closed containers, oxygen <br /> depletion may reach hazardous levels. If workers must enter a vessel containing carbon, <br /> appropriate sampling and work procedures should be followed for potentially low-oxygen <br /> spaces. <br /> roekNo&mmanl <br /> Page 6 <br />